Norovirus Gastroenteritis: A Turning Point with the GII.4 Sydney Variant

Norovirus is one of the leading causes of acute gastroenteritis worldwide, responsible for frequent outbreaks and significant morbidity, particularly among children, the elderly, and immunocompromised individuals. Its rapid transmission through the fecal-oral route, often via contaminated food or human contact, makes it a major public health concern.